Colorado Runner - Colorado's running news, events and results source

The Castle Rock Trail Festival took place last weekend with a variety of race distances. Runners and walkers competed in a trail 50K, half marathon, 10k, 5k and a family adventure run. The weather cooperated with sunny skies and seasonably warm temperatures. The race was hosted by the town of Castle…

Eliud Kipchoge‘s invincibility is gone. The greatest marathoner in history lost for the first time in seven years at Sunday’s chilly, rainy London Marathon, ending a streak of 10 straight wins over 26.2 miles. Kipchoge dropped behind a leading group of six men in the 24th mile and never…

If you’ve ever run a marathon, half-marathon, or any other long race, you’ve undoubtedly had a hydration plan: a detailed assessment of what you intend to drink, when you intend to drink it, and how you intend to obtain it. But a paper in tomorrow’s issue of Science may cause you to rethink exactly…